Home / 4,253.90-6,381.10-1,133.89

Finding the Fourth Proportional to 4,253.90, 6,381.10 and 1,133.89

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Solution

The fourth proportional to 4,253.90, 6,381.10 and 1,133.89 is: 1,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.90 : 6,381.10 = 1,133.89 : x
  2. Step 2: Convert to fraction form
    4,253.90/6,381.10 = 1,133.89/x
  3. Step 3: Cross multiply
    4,253.90x = 6,381.10 × 1,133.89
  4. Step 4: Simplify right side
    4,253.90x = 7,235,433.57
  5. Step 5: Solve for x
    x = 7,235,433.57/4,253.90
  6. Step 6: Final answer
    x = 1,700.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.